Question

in angle PQR, angle p =64 ,angle Q=18,angle R =?

Answer 1

Answer:

In ΔPQR

∠ P = 64°

∠ Q = 18°

∴∠ P +∠ Q+∠ R = 180° ---------( Measure of all angles of a triangle)

∴64°+18°+∠R  = 180°

∴82°+∠R = 180°

∴∠R = 180°- 82°

∴∠R = 98°